| /* |
| * Copyright (C) 2007 Rob Buis <buis@kde.org> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef SVGViewSpec_h |
| #define SVGViewSpec_h |
| |
| #include "bindings/core/v8/ScriptWrappable.h" |
| #include "core/svg/SVGFitToViewBox.h" |
| #include "core/svg/SVGSVGElement.h" |
| #include "core/svg/SVGZoomAndPan.h" |
| #include "platform/heap/Handle.h" |
| |
| namespace blink { |
| |
| class SVGViewSpec final : public RefCountedWillBeGarbageCollectedFinalized<SVGViewSpec>, public ScriptWrappable, public SVGZoomAndPan, public SVGFitToViewBox { |
| DEFINE_WRAPPERTYPEINFO(); |
| WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SVGViewSpec); |
| public: |
| #if !ENABLE(OILPAN) |
| using RefCounted<SVGViewSpec>::ref; |
| using RefCounted<SVGViewSpec>::deref; |
| #endif |
| |
| static PassRefPtrWillBeRawPtr<SVGViewSpec> create(SVGSVGElement* contextElement) |
| { |
| return adoptRefWillBeNoop(new SVGViewSpec(contextElement)); |
| } |
| |
| bool parseViewSpec(const String&); |
| void reset(); |
| void detachContextElement(); |
| template<typename T> void inheritViewAttributesFromElement(T*); |
| |
| // JS API |
| SVGTransformList* transform() { return m_transform ? m_transform->baseValue() : 0; } |
| PassRefPtrWillBeRawPtr<SVGTransformListTearOff> transformFromJavascript() { return m_transform ? m_transform->baseVal() : 0; } |
| SVGElement* viewTarget() const; |
| String viewBoxString() const; |
| String preserveAspectRatioString() const; |
| String transformString() const; |
| String viewTargetString() const { return m_viewTargetString; } |
| // override SVGZoomAndPan.setZoomAndPan so can throw exception on write |
| void setZoomAndPan(unsigned short value) { } // read only |
| void setZoomAndPan(unsigned short value, ExceptionState&); |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| SVGSVGElement* contextElement() { return m_contextElement.get(); } |
| |
| private: |
| explicit SVGViewSpec(SVGSVGElement*); |
| |
| template<typename CharType> |
| bool parseViewSpecInternal(const CharType* ptr, const CharType* end); |
| |
| RawPtrWillBeMember<SVGSVGElement> m_contextElement; |
| RefPtrWillBeMember<SVGAnimatedTransformList> m_transform; |
| String m_viewTargetString; |
| }; |
| |
| template <typename T> |
| void SVGViewSpec::inheritViewAttributesFromElement(T* inheritFromElement) |
| { |
| if (!inheritFromElement->hasEmptyViewBox()) |
| viewBox()->baseValue()->setValue(inheritFromElement->viewBox()->currentValue()->value()); |
| |
| if (inheritFromElement->preserveAspectRatio()->isSpecified()) { |
| preserveAspectRatio()->baseValue()->setAlign(inheritFromElement->preserveAspectRatio()->currentValue()->align()); |
| preserveAspectRatio()->baseValue()->setMeetOrSlice(inheritFromElement->preserveAspectRatio()->currentValue()->meetOrSlice()); |
| } |
| |
| if (inheritFromElement->hasAttribute(SVGNames::zoomAndPanAttr)) |
| setZoomAndPan(inheritFromElement->zoomAndPan()); |
| } |
| |
| } // namespace blink |
| |
| #endif // SVGViewSpec_h |